Elasticity enhancing machine

The invention relates to an elasticity enhancing machine and relates to the technical field of chemical fiber yarn processing. The elasticity enhancing machine comprises a rack body, wherein a yarn release roller, a false twister, a heating tank and a yarn collecting roller are arranged on the rack body in sequence; both the yarn release roller and the yarn collecting roller are rotationally connected with the rack body; both the heating tank and the false twister are fixedly connected with the rack body; a cooling device is arranged between the heating tank and the yarn collecting roller; thecooling device comprises two cooling plates and a cooling roller which is fixedly connected between the cooling plates; the cooling plates is fixedly connected with the rack body; a water inlet tubeis communicated with one end of the cooling roller; a water outlet tube is communicated with the other end of the cooling roller; the water inlet tube of the cooling roller is communicated with a power water source; cold water